[Q] Issues after flash imperium 9

Dear All,
I've root and install a custom recovery, i've download Imperium 9, Gapps and Bloatware from the post, after follow the instruction and flash from zip all of three, i've wipe data and cache, after reboot appear the configuration of samsung S4 but still going out an error message com.android.systemui is stopped i press Ok but after few second appear again, is really impossibile to use...
any advice?
thank in advance

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